Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| Black Seed Oil (Nigella sativa) | PQQ (Pyrroloquinoline Quinone) | |
|---|---|---|
| Category | Supplements | Supplements |
| Standard Dose | — | 10-20mg daily |
| Timing | — | With breakfast. Can combine in same meal with CoQ10. |
| Cycle Duration | — | ongoing |
| Evidence Level | Moderate | moderate_human |
Contains thymoquinone as active compound. Anti-inflammatory via NF-kB inhibition, immunomodulatory, hepatoprotective. Improves blood sugar regulation via AMPK activation. Supports respiratory health and has antimicrobial properties.
PQQ activates PGC-1alpha via CREB phosphorylation, directly stimulating mitochondrial biogenesis — the formation of new mitochondria. It acts as a redox cycling agent capable of thousands of catalytic oxidation-reduction cycles (compared to ~4 for vitamin C), providing exceptional antioxidant capacity. PQQ also modulates NMDA receptor signaling and promotes nerve growth factor (NGF) synthesis, supporting neuronal health and cognitive function.
10-20mg daily
With breakfast. Can combine in same meal with CoQ10.
ongoing
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